public static async Task <MediaFile> PickImage(PictureSelectionMode selectionMode)
{
bool permissionGranted = await AskPermissions();
if (!permissionGranted)
{
await DisplayAlert("Missing Permissions", "Some permissions are missing");
return(null);
}
await CrossMedia.Current.Initialize();
if (selectionMode == PictureSelectionMode.PICK_FROM_GALLERY)
{
if (!CrossMedia.Current.IsPickPhotoSupported)
{
await DisplayAlert("Error", "No media available");
return(null);
}
return(await CrossMedia.Current.PickPhotoAsync(new PickMediaOptions()
{
PhotoSize = PhotoSize.Small,
}));
}
if (selectionMode == PictureSelectionMode.PICK_FROM_CAMERA)
{
if (!CrossMedia.Current.IsCameraAvailable || !CrossMedia.Current.IsTakePhotoSupported)
{
await DisplayAlert("Error", "No media available");
return(null);
}
return(await CrossMedia.Current.TakePhotoAsync(new Plugin.Media.Abstractions.StoreCameraMediaOptions
{
Directory = "Sample",
Name = "test.jpg",
PhotoSize = PhotoSize.Small,
}));
}
return(null);
}
public void Select(PictureSelectionMode selectionMode)
{
foreach (Control control in this.Controls)
{
PictureViewBox pvb = (PictureViewBox)control;
switch (selectionMode)
{
case PictureSelectionMode.All:
pvb.Select(true);
break;
case PictureSelectionMode.Inverse:
pvb.Select(!pvb.IsSelected);
break;
case PictureSelectionMode.None:
pvb.Select(false);
break;
}
}
}
